Observatory · observe first
Phillips 66
PSX · United States · Oil & Gas Refining & Marketing · matched S&P 500 member. Follow its market-weight contribution.
Historical time machine
Historical observation
20182026
Universe weight
0.105%
12M weight contribution
-0.010 pp
3M weight contribution
-0.013 pp
12M price return
-17.2%
Share of matched S&P 500 members
Monthly observations through May 2025
Company price index
A separate dimension from market allocation
Historical observations
Most recent 24 observations at or before the selected month
| Month | Market cap | Universe weight | 12M weight change | 12M return | Above 6M weight average |
|---|---|---|---|---|---|
| May 2025 | $46.3bn | 0.105% | -0.010 pp | -17.2% | No |
| Apr 2025 | $42.4bn | 0.102% | -0.074 pp | -24.8% | No |
| Mar 2025 | $50.3bn | 0.120% | -0.074 pp | -21.8% | Yes |
| Feb 2025 | $52.9bn | 0.118% | -0.056 pp | -5.8% | Yes |
| Jan 2025 | $48.7bn | 0.108% | -0.081 pp | -15.6% | No |
| Dec 2024 | $47.1bn | 0.107% | -0.068 pp | -11.6% | No |
| Nov 2024 | $55.3bn | 0.122% | -0.055 pp | +7.4% | Yes |
| Oct 2024 | $50.3bn | 0.118% | -0.054 pp | +10.3% | No |
| Sep 2024 | $55.0bn | 0.128% | -0.051 pp | +13.0% | No |
| Aug 2024 | $58.7bn | 0.142% | -0.020 pp | +27.0% | Yes |
| Jul 2024 | $60.9bn | 0.109% | -0.002 pp | +34.9% | No |
| Jun 2024 | $59.8bn | 0.112% | +0.011 pp | +53.1% | No |
| May 2024 | $60.2bn | 0.115% | +0.011 pp | +60.4% | No |
| Apr 2024 | $60.7bn | 0.176% | +0.021 pp | +50.1% | No |
| Mar 2024 | $69.9bn | 0.194% | +0.033 pp | +67.1% | Yes |
| Feb 2024 | $61.0bn | 0.175% | +0.007 pp | +44.1% | No |
| Jan 2024 | $63.5bn | 0.189% | +0.027 pp | +49.7% | Yes |
| Dec 2023 | $58.6bn | 0.175% | -0.003 pp | +33.1% | Yes |
| Nov 2023 | $56.7bn | 0.177% | +0.003 pp | +23.6% | Yes |
| Oct 2023 | $50.8bn | 0.173% | -0.005 pp | +13.7% | Yes |
| Sep 2023 | $53.5bn | 0.179% | +0.026 pp | +54.8% | Yes |
| Aug 2023 | $50.8bn | 0.162% | +0.008 pp | +32.7% | Yes |
| Jul 2023 | $51.2bn | 0.112% | -0.036 pp | +30.5% | No |
| Jun 2023 | $43.8bn | 0.101% | -0.052 pp | +21.2% | No |
Its weight is estimated market cap divided by the total estimated market cap of matched S&P 500 members for the month. This is not an official float-adjusted S&P index weight.